She is, however, very concerned when her sister is kidnapped by both Marty Jay Williams and later by Armando Mendez. During the mission, Light My Pyre, she says to herself "one day it will be her" and is adamant in telling Vic that Armando wanted her as Latin men love women of her type. Following the death of Louise, it is implied that Mary-Jo becomes the guardian of Mary-Beth Williams, Louise's daughter.